Researcher:
Reşat, Hamdi Giray

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PhD Student

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Hamdi Giray

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Reşat

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Reşat, Hamdi Giray

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20152

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Researcher Of Publications: search.filters.isAuthorOfPublication.c2f5aa56-323c-43e2-8c78-b6cb68959ebe

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    Design and operation of intermodal transportation network in the Marmara region of Turkey
    (Pergamon-Elsevier Science Ltd, 2015) N/A; N/A; Department of Industrial Engineering; Reşat, Hamdi Giray; Türkay, Metin; PhD Student; Faculty Member; Department of Industrial Engineering; Graduate School of Sciences and Engineering; College of Engineering; N/A; 24956
    This paper presents a multi-objective optimization model for integrating different transportation modes in the design and operation of an intermodal transportation network in a geographical region. The problem is formulated as a mixed-integer optimization problem that accounts for time and congestion dependent vehicle speeds. We present modeling approach, data analysis and outline the important characteristics of the mathematical programming problem for minimization of transportation cost and time simultaneously by using the augmented epsilon-constraint method. The proposed approach is illustrated on a real world case using data from Marmara region where approximately 50% industrial goods and services in Turkey are produced.
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    Transport and logistics models for sustainability
    (Elsevier, 2015) N/A; Department of Industrial Engineering; Reşat, Hamdi Giray; Türkay, Metin; PhD Student; Faculty Member; Department of Industrial Engineering; Graduate School of Sciences and Engineering; College of Engineering; N/A; 24956
    This chapter presents a general overview of the sustainability concept in transportation operations. It is mostly concerned with how to convert traditional transportation operations into a sustainable transportation system by showing the state-of-the-art regarding sustainable transportation performance indexes. In this study, a definition of sustainable transportation and major performance indexes are given for use in the decision-making processes. Recent theoretical developments and studies using such performance indexes are investigated and used to provide the conceptual basis of the sustainability in transportation activities. Also, an example of a mixed integer linear programming model is shared to be used in solving the multiobjective sustainable transportation problems via different solution methodologies.